I used a USB 3.0 extension cable - then connected the usb 3.0 cable connector present on my WD elements 2tb drive to my desktop - it was detected, but within 5 seconds got disconnected with a beep.
Again it showed up via a USB icon on taskbar - again it got disconnected repeatedly.
Finally - removed the extension cable - used the shorter USB 3.0 cable directly plugged into my rear usb 3.-0 port of PC Cabinet, this time it got detected and connected steadily/permanently.